CN212108955U - Gas water heater with anti-freezing function - Google Patents
Gas water heater with anti-freezing function Download PDFInfo
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- CN212108955U CN212108955U CN202020655600.2U CN202020655600U CN212108955U CN 212108955 U CN212108955 U CN 212108955U CN 202020655600 U CN202020655600 U CN 202020655600U CN 212108955 U CN212108955 U CN 212108955U
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Abstract
The utility model discloses a gas heater with function of preventing frostbite relates to water heater technical field, can produce great noise for solving the anti-freezing structure among the prior art, influences the user and has a rest and invent. The gas water heater comprises a heating assembly, wherein a water inlet of the heating assembly is communicated with a water inlet pipe, and a water outlet of the heating assembly is communicated with a water outlet pipe; the first electromagnetic valve is arranged at the water inlet of the water inlet pipe; the second electromagnetic valve is arranged at the water outlet of the water outlet pipe; the water discharging device is communicated with the water inlet pipe or the water outlet pipe and is used for discharging water in the water inlet pipe, the pipeline in the heating assembly and the water outlet pipe; the main control board is respectively electrically connected with the heating assembly, the first electromagnetic valve and the second electromagnetic valve. The utility model is used for heat cold water.
Description
Technical Field
The utility model relates to a water heater technical field especially relates to a gas heater with frostproofing function.
Background
The gas water heater, also called gas water heater, is to use gas as fuel, and transfer heat to cold water flowing through the water heater by combustion heating, so as to achieve the purpose of preparing hot water.
When the temperature is lower and the gas water heater is not ignited for heating, the water temperature in the pipeline inside the gas water heater is also lower, the internal pipeline is frozen to be damaged for preventing the internal water temperature of the gas water heater from being too low, the gas water heater with the anti-freezing function appears on the market, a circulating pump is arranged inside the gas water heater, when the water temperature in the internal pipeline of the gas water heater is lower than a critical value, the circulating pump is started, the gas water heater is ignited to heat the water in the pipeline, and therefore the pipeline inside the gas water heater is prevented from being frozen to be damaged.
However, when the temperature of the gas water heater is extremely low, the circulating pump can be frequently started, the gas water heater is frequently ignited to heat water in the pipeline, the noise is high, and the rest of a user can be influenced.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a gas heater with function of preventing frostbite can prevent that gas heater inner tube way from being frozen out to need frequently to ignite the heating, can the noise reduction, can not influence the user and have a rest.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
an embodiment of the utility model provides a gas heater with frostproofing function, include:
the water inlet of a pipeline in the heating assembly is communicated with a water inlet pipe, and the water outlet of the pipeline is communicated with a water outlet pipe;
the first electromagnetic valve is arranged at the water inlet of the water inlet pipe;
the second electromagnetic valve is arranged at the water outlet of the water outlet pipe;
the water discharging device is communicated with the water inlet pipe or the water outlet pipe and is used for discharging water in the water inlet pipe, the pipeline in the heating assembly and the water outlet pipe;
the main control board is respectively electrically connected with the heating assembly, the first electromagnetic valve and the second electromagnetic valve and is used for respectively controlling the heating assembly, the first electromagnetic valve and the second electromagnetic valve to be opened or closed.
The embodiment of the utility model provides a gas water heater, through set up the first solenoid valve in the end of intaking of inlet tube, the play water end of outlet pipe sets up the second solenoid valve, and first solenoid valve and second solenoid valve all are connected with the main control board electricity, when the main control board received drainage signal, the main control board control first solenoid valve and second solenoid valve all close, thereby make gas water heater and outside water supply pipe not circulate, then the main control board drainage device starts, the pipeline in inlet tube, heating element and the water in the outlet pipe all discharge the gas water heater outside, thereby make the pipeline in the gas water heater not have water, because there is not water in the pipeline, consequently, can not cause icing under the environment that the temperature is lower yet, can avoid because the temperature is low excessively, the condition that the pipeline propped up the fracture is frozen to water, and the drainage device that the embodiment of the utility model provides once discharges water all, before next use gas heater, can not have water in the pipeline, consequently, need not frequently start drainage device, can not produce a large amount of noises, do not influence the user and have a rest.
Drawings
Fig. 1 is a schematic structural diagram of a gas water heater provided by an embodiment of the present invention (a drainage device is a water pump);
fig. 2 is a schematic structural view of a gas water heater provided by an embodiment of the present invention (a drainage device is an air pump);
fig. 3 is a schematic structural diagram of a control system of a gas water heater provided by an embodiment of the present invention;
fig. 4 is a control flow chart of the water discharge device of the gas water heater provided by the embodiment of the present invention when a water suction pump is adopted;
fig. 5 is a control flow chart of the gas water heater provided by the embodiment of the present invention when the air pump is used as the drainage device.
Reference numerals: 100. a water inlet pipe; 110. a heating assembly; 120. a water outlet pipe; 130. a main control board; 140. a temperature measuring unit; 150. a first solenoid valve; 160. a second solenoid valve; 170. a drainage device; 180. a timing unit; 190. a storage unit; 200. a water inlet stop valve; 210. a water outlet stop valve; 220. an air inlet pipe; 230. a gas stop valve; 240. a water inlet pipe; 250. a water outlet pipeline; 260. a gas supply duct; 270. and a water discharge pipe.
Detailed Description
The gas water heater with the anti-freezing function provided by the embodiment of the invention is described in detail with reference to the attached drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides a gas heater with frostproofing function, as shown in fig. 1, 3, including heating element 110, the water inlet of the pipeline in heating element 110 is communicated with inlet tube 100, the water outlet of the pipeline is communicated with outlet tube 120; the first electromagnetic valve 150 is arranged at the water inlet of the water inlet pipe 100, and the water inlet of the first electromagnetic valve 150 is communicated with the water inlet pipeline 240; the second electromagnetic valve 160 is arranged at the water outlet of the water outlet pipe 120, and the water outlet of the second electromagnetic valve 160 is communicated with the water outlet pipeline 250; a drainage device 170, which is communicated with the water inlet pipe 100 or the water outlet pipe 120, wherein the drainage device 170 is used for draining the water in the water inlet pipe 100, the pipeline in the heating assembly 110 and the water outlet pipe 120; the main control board 130 is electrically connected to the heating assembly 110, the first solenoid valve 150, and the second solenoid valve 160, and the main control board 130 is configured to control the heating assembly 110, the first solenoid valve 150, and the second solenoid valve 160 to open or close respectively.
The embodiment of the present invention provides a gas water heater, through setting up the first solenoid valve 150 at the water inlet end of the water inlet pipe 100, the water outlet end of the water outlet pipe 120 sets up the second solenoid valve 160, and the first solenoid valve 150 and the second solenoid valve 160 are all electrically connected with the main control board 130, when the main control board 130 receives a drainage signal, the main control board 130 controls the first solenoid valve 150 and the second solenoid valve 160 to be closed, thereby making the gas water heater not to circulate with the external water supply pipeline, then the main control board 130 drainage device 170 is started, the water in the water inlet pipe 100, the pipeline in the heating assembly 110 and the water in the water outlet pipe 120 are all drained out of the gas water heater, thereby making the pipeline in the gas water heater have no water, because there is no water in the pipeline, therefore, icing can not be caused under the environment with lower temperature, thereby can avoid the situation that the pipeline bursts because the temperature is too low, and the embodiment of the utility model provides a drainage device 170 discharges water all, before the gas water heater is used next time, water does not exist in the pipeline, so that the drainage device 170 does not need to be started frequently, a large amount of noise is not generated, and the rest of a user is not influenced.
The embodiment of the utility model provides a gas water heater, the drainage signal that main control board 130 received can be the signal of telecommunication that heating element 110 closed, and heating element 110 closes the back promptly, and main control board 130 just controls first solenoid valve 150 and second solenoid valve 160 and closes to control drainage device 170 and carry out the drainage, that is to say, when not using gas water heater, do not have water in the inside pipeline of gas water heater always, thereby avoid being frozen bad. Specifically, the gas water heater provided by the embodiment of the present invention further comprises a temperature measuring unit 140, the temperature measuring unit 140 is electrically connected to the main control board 130, and the temperature measuring unit 140 is used for monitoring the temperature of the water in the water inlet pipe 100, the water outlet pipe 120 or the pipeline of the heating assembly 110. The temperature measuring unit 140 monitors the water temperature in the pipeline in real time, when the water temperature is reduced to a preset critical temperature, an electric signal is sent to the main control board 130, the main control board 130 controls the first electromagnetic valve 150 and the second electromagnetic valve 160 to be closed, and the drainage device 170 is controlled to drain water, so that the pipeline is prevented from being frozen.
It should be noted that the first electromagnetic valve 150 and the second electromagnetic valve 160 may be closed when the temperature measuring unit 140 detects that the water temperature is lower than the critical temperature, or may be always in a closed state when the heating assembly 110 stops heating, that is, when the heating assembly 110 does not operate, the first electromagnetic valve 150 and the second electromagnetic valve 160 are always in a closed state, so that it can be ensured that when the gas water heater is used, the internal pipeline is not communicated with the external water inlet pipe 240, and when the drainage device 170 fails, if the pipeline is frost-cracked, water does not leak all the time, so that a major loss caused by water leakage can be avoided.
In some embodiments, as shown in fig. 1 and 3, the drainage device 170 may use a water pump, a water inlet of the water pump is communicated with the water inlet pipe 100 or the water outlet pipe 120, and a water outlet of the water pump is communicated with a water outlet pipe 270. Because the first electromagnetic valve 150 and the second electromagnetic valve 160 are both in the closed state during water drainage, and the pipeline inside the gas water heater is not communicated with the external water outlet pipeline 250 and the external water inlet pipeline 240, water in the pipeline inside the gas water heater can be completely pumped out through the water suction pump, and water is discharged out of the gas water heater through the water discharge pipe 270 arranged on the water suction pump, so that no water is stored in the pipeline inside the gas water heater, the temperature is too low in time, and the situation that the pipeline is burst due to water freezing can not occur.
In some embodiments, as shown in fig. 2 and 3, the drainage device 170 may further use an air pump, which is disposed at the water inlet end of the water inlet pipe 100. When the gas water heater stops working, if the temperature measuring unit 140 detects that the temperature of the water inside is lower than the set critical temperature, the second electromagnetic valve 160 is controlled to be opened, the first electromagnetic valve 150 is controlled to be closed, the air pump is started to blow air into the water inlet pipe 100, the water in the water inlet pipe 100, the pipeline in the heating assembly 110 and the water outlet pipe 120 flows into the water outlet pipeline 250 through the second electromagnetic valve 160 through the blown air, and after all the water flows out, the second electromagnetic valve 160 is controlled to be closed, so that no water is stored in the pipeline inside the gas water heater, and the situation that the pipeline inside the gas water heater is damaged by freezing can be avoided.
In some embodiments, as shown in fig. 1 and 3, the temperature measuring unit 140 includes a temperature controller. A temperature controller is adopted as the temperature measuring unit 140, the temperature of the water in the gas water heater is detected through the temperature controller, when the detected water temperature is lower than a preset critical temperature value, an electric signal is sent to the main control board 130, and the main control board 130 controls the drainage device 170 to drain water in a pipeline in the gas water heater.
In some embodiments, as shown in fig. 1 and fig. 2, the gas water heater with an anti-freezing function further includes a timing unit 180, where the timing unit 180 is configured to record the time for the drainage device 170 to drain water, and the timing unit 180 is electrically connected to the main control board 130. By setting the rated time for the drainage device 170 to drain water in advance, the time for drainage is recorded by the timing unit 180 when the drainage device 170 performs the drainage operation, and compared with the set rated time in advance, when the drainage time of the drainage device 170 is greater than or equal to the rated time, the drainage device 170 is controlled to stop operating, that is, when the drainage time of the drainage device 170 is greater than or equal to the rated time, the water inside the gas water heater has been drained.
It should be noted that the drainage time of the drainage device 170 can be calculated by the flow parameter of the drainage device 170 and the water amount parameter that can be stored in the pipeline inside the gas water heater, and the calculated rated time is stored in the main control board 130.
In some embodiments, as shown in fig. 1 and 3, the gas water heater with an anti-freezing function further includes a storage unit 190, the storage unit 190 is electrically connected to the main control board 130, and the storage unit 190 is used for storing a flow parameter of the drainage device 170, and an inner diameter and a length parameter of the pipeline of the water inlet pipe 100, the water outlet pipe 120, and the heating assembly 110. The storage unit 190 stores each parameter in advance, the main control panel 130 calculates how much time is needed to discharge all the water in the gas water heater, that is, the rated time, and when the drainage device 170 drains water, whether all the water in the gas water heater is discharged can be known by detecting the drainage time.
In some embodiments, as shown in fig. 1 and 3, a water inlet shutoff valve 200 is disposed between the water inlet pipe 240 and the first electromagnetic valve 150. Through setting up a stop valve 200 of intaking, when needs maintain gas heater, the user can cut off the water route by oneself, prevents to continue to supply water to gas heater inside to maintain or maintain gas heater, improved the convenience that gas heater used.
In some embodiments, as shown in fig. 1 and 3, a water stop valve 210 is disposed between the water outlet pipe 250 and the second solenoid valve 160. Through setting up a water stop valve 210, cooperate aforementioned water stop valve 200 of intaking, the user can be according to the in service behavior of oneself, stop valve 200 and the water stop valve 210 of intaking are closed by oneself, for example, the user is not at home for a long time, then can close water stop valve 200, then open tap or shower nozzle on outlet pipe 250, discharge water in the pipeline is whole, then, stop valve 210 of will going out water, thereby do not deposit water in making gas heater, when preventing to take place to leak among the gas heater, because nobody in time handles, lead to the emergence accident.
In addition, when the water inlet stop valve 200 and the water outlet stop valve 210 are both closed, when a small amount of water is stored in the pipeline inside the gas water heater and the temperature is too low, the water temperature can be detected through the temperature measuring device, and the water is discharged in time through the water discharging device 170, so that the completeness of the gas water heater is fully ensured.
As shown in fig. 1 and fig. 3, the embodiment of the present invention provides a gas water heater, which further includes an air inlet pipe 220, the air outlet end of the air inlet pipe 220 is communicated with the air inlet of the heating assembly 110, and the air inlet end of the air inlet pipe 220 is communicated with the air supply pipeline 260. The heating assembly 110 is supplied with gas through the inlet pipe 220 so that cold water flowing in through the inlet pipe 100 is heated and delivered to the outlet pipe 250 through the outlet pipe 120, and then hot water is used through a tap or a shower head on the outlet pipe 250.
In some embodiments, as shown in fig. 1 and 3, a gas shutoff valve 230 is disposed between the air inlet end of the air inlet pipe 220 and the air supply pipe 260. The gas stop valve 230 is arranged on the gas inlet pipe 220, so that when the gas water heater is not used, a gas source can be cut off, gas leakage of the gas water heater is prevented, and potential safety hazards are eliminated.
In some embodiments, as shown in fig. 1 and 3, the water discharging device 170 employs a water pump, and a specific control process thereof is as shown in fig. 4, the gas water heater is powered on, the first electromagnetic valve 150 and the second electromagnetic valve 160 are both in a closed state, when the main control board 130 controls the heating assembly 110 to ignite and heat, the first electromagnetic valve 150 and the second electromagnetic valve 160 are both opened, at this time, the water flow is heated, and when the heating assembly 110 stops heating, the first electromagnetic valve 150 and the second electromagnetic valve 160 are closed again; when the temperature controller detects that the temperature of the water in the gas water heater is lower than a preset critical temperature value, an electric signal is sent to the main control board 130, the main control board 130 controls the water pump to start to operate, the water in the pipeline in the gas water heater is pumped out and is discharged outside through the water discharge pipe 270, in the water pumping process, the timing unit 180 records the working time of the water pump, if the water pumping time is greater than or equal to the rated time, the electric signal is sent to the main control board 130, the main control board 130 controls the water pump to stop working, therefore, all the stored water in the gas water heater is discharged, no water is stored in the gas water heater, even if the temperature in the pipeline is too low, the pipeline cannot be burst by the condensed ice, and the pipeline in the gas water heater is ensured to be intact.
In some embodiments, as shown in fig. 2 and 3, the water discharging device 170 is an air pump, and the specific control process is as shown in fig. 5, the gas water heater is powered on, the first electromagnetic valve 150 and the second electromagnetic valve 160 are both in a closed state, when the main control board 130 controls the heating assembly 110 to ignite and heat, the first electromagnetic valve 150 and the second electromagnetic valve 160 are both opened, at this time, the water flow is heated, and after the heating assembly 110 stops heating, the first electromagnetic valve 150 and the second electromagnetic valve 160 are closed again; when the temperature controller detects that the temperature of the water in the gas water heater is lower than a preset critical temperature value, an electrical signal is sent to the main control board 130, the main control board 130 controls the second solenoid valve 160 to open, and controlling the air pump to start to operate, the air pump sucks air and drives the air flow into the water inlet pipe 100, so that the water in the internal pipeline of the gas water heater is pushed into the water outlet pipeline 250 through the water outlet pipe 120, during the operation of the air pump, the timing unit 180 records the operation time of the air pump, and if the operation time of the air pump is greater than or equal to the rated time, an electric signal is sent to the main control board 130, the main control board 130 controls the air pump to stop working, so that all the water stored in the gas water heater is discharged, no water is stored in the gas water heater, and because no water is stored in the pipeline, even if the temperature is too low, the condition that the pipeline is cracked by the condensed ice can not be caused, and the pipeline inside the gas water heater is ensured to be intact.
In some embodiments, the specific control method for emptying the water storage in the internal pipe of the gas water heater is as follows: the main control board 130 controls the drainage device 170 to start operating, and the main control board 130 extracts the stored parameters of the inner diameters and lengths of the water inlet pipe 100, the pipeline of the heating assembly 110, and the water outlet pipe 120, and the flow parameters of the drainage device 170, calculates how much time is required by the flow of the drainage device 170 to completely drain the water in the state that the water inlet pipe 100, the pipeline of the heating assembly 110, and the water outlet pipe 120 are full of water according to the parameters, the time is the rated time, then the drainage device 170 starts operating, and the timing unit 180 records the operating time of the drainage device 170, when the operating time of the drainage device 170 is greater than or equal to the rated time, the timing unit 180 sends an electric signal to the main control board 130, and the main control board 130 controls the drainage device 170 to stop operating.
It should be noted that, since the specifications of the water inlet pipe 100, the pipeline in the heating element 110 and the water outlet pipe 120 used in each gas water heater are determined, and the model of the water discharging device 170 is also determined, the rated time is directly calculated, stored in the storage unit 190, and directly extracted and compared when the water discharging device 170 works.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A gas water heater with anti-freezing function is characterized by comprising:
the water inlet of a pipeline in the heating assembly is communicated with a water inlet pipe, and the water outlet of the pipeline is communicated with a water outlet pipe;
the first electromagnetic valve is arranged at the water inlet of the water inlet pipe;
the second electromagnetic valve is arranged at the water outlet of the water outlet pipe;
the water discharging device is communicated with the water inlet pipe or the water outlet pipe and is used for discharging water in the water inlet pipe, the pipeline in the heating assembly and the water outlet pipe;
the main control board is respectively electrically connected with the heating assembly, the first electromagnetic valve and the second electromagnetic valve and is used for respectively controlling the heating assembly, the first electromagnetic valve and the second electromagnetic valve to be opened or closed.
2. The gas water heater with the anti-freezing function according to claim 1, further comprising a temperature measuring unit, wherein the temperature measuring unit is electrically connected with the main control board and is used for monitoring the temperature of water in the water inlet pipe or the water outlet pipe or a pipeline in the heating assembly.
3. The gas water heater with the antifreezing function as defined in claim 2, wherein the water draining device comprises a water pump, and a water inlet of the water pump is communicated with the water inlet pipe or the water outlet pipe.
4. The gas water heater with the antifreezing function as defined in claim 2, wherein the water discharging device comprises an air pump, and the air pump is disposed at the water inlet end of the water inlet pipe.
5. The gas water heater with the anti-freezing function of claim 2, wherein the temperature measuring unit comprises a temperature controller.
6. The gas water heater with the anti-freezing function as claimed in claim 1, further comprising a timing unit for recording the time of the drainage device, wherein the timing unit is electrically connected with the main control board.
7. The gas water heater with the anti-freezing function according to claim 1, further comprising a storage unit electrically connected with the main control board, the storage unit being used for storing flow parameters of the drainage device and inner diameter and length parameters of the water inlet pipe, the water outlet pipe and the pipeline in the heating assembly.
8. The gas water heater with the anti-freezing function according to any one of claims 1 to 7, wherein a water inlet stop valve is arranged at a water inlet of the first electromagnetic valve.
9. The gas water heater with the anti-freezing function according to any one of claims 1 to 7, wherein a water outlet stop valve is arranged at a water outlet of the second electromagnetic valve.
10. The gas water heater with the anti-freezing function according to any one of claims 1 to 7, further comprising an air inlet pipe, wherein an air outlet of the air inlet pipe is communicated with an air inlet of the heating assembly, and a gas stop valve is arranged at the air inlet of the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655600.2U CN212108955U (en) | 2020-04-26 | 2020-04-26 | Gas water heater with anti-freezing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655600.2U CN212108955U (en) | 2020-04-26 | 2020-04-26 | Gas water heater with anti-freezing function |
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| Publication Number | Publication Date |
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| CN212108955U true CN212108955U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020655600.2U Active CN212108955U (en) | 2020-04-26 | 2020-04-26 | Gas water heater with anti-freezing function |
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| CN (1) | CN212108955U (en) |
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- 2020-04-26 CN CN202020655600.2U patent/CN212108955U/en active Active
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